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* misc update * add hsv to rgb, random stroke * next rgb * assert randoms * clear ubodt * match, lots of work to do * more types * fix build * more bindings from nano-fmm * some code from geobuf-cpp * misc * fix * test edge case --------- Co-authored-by: TANG ZHIXIONG <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,145 @@ | ||
| #pragma once | ||
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| // migrated from | ||
| // https://github.com/cubao/geobuf-cpp/blob/dev/src/geobuf/pybind11_helpers.hpp | ||
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|
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| #include <pybind11/iostream.h> | ||
| #include <pybind11/pybind11.h> | ||
| #include <pybind11/stl.h> | ||
| #include <pybind11/stl_bind.h> | ||
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|
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| #include "nano_fmm/types.hpp" | ||
| #include "nano_fmm/rapidjson_helpers.hpp" | ||
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| namespace nano_fmm | ||
| { | ||
| namespace py = pybind11; | ||
| using namespace pybind11::literals; | ||
| using rvp = py::return_value_policy; | ||
|
|
||
| inline RapidjsonValue __py_int_to_rapidjson(const py::handle &obj) | ||
| { | ||
| try { | ||
| auto num = obj.cast<int64_t>(); | ||
| if (py::int_(num).equal(obj)) { | ||
| return RapidjsonValue(num); | ||
| } | ||
| } catch (...) { | ||
| } | ||
| try { | ||
| auto num = obj.cast<uint64_t>(); | ||
| if (py::int_(num).equal(obj)) { | ||
| return RapidjsonValue(num); | ||
| } | ||
| } catch (...) { | ||
| } | ||
| throw std::runtime_error( | ||
| "failed to convert to rapidjson, invalid integer: " + | ||
| py::repr(obj).cast<std::string>()); | ||
| } | ||
|
|
||
| inline RapidjsonValue to_rapidjson(const py::handle &obj, | ||
| RapidjsonAllocator &allocator) | ||
| { | ||
| if (obj.ptr() == nullptr || obj.is_none()) { | ||
| return {}; | ||
| } | ||
| if (py::isinstance<py::bool_>(obj)) { | ||
| return RapidjsonValue(obj.cast<bool>()); | ||
| } | ||
| if (py::isinstance<py::int_>(obj)) { | ||
| return __py_int_to_rapidjson(obj); | ||
| } | ||
| if (py::isinstance<py::float_>(obj)) { | ||
| return RapidjsonValue(obj.cast<double>()); | ||
| } | ||
| if (py::isinstance<py::bytes>(obj)) { | ||
| // https://github.com/pybind/pybind11_json/blob/master/include/pybind11_json/pybind11_json.hpp#L112 | ||
| py::module base64 = py::module::import("base64"); | ||
| auto str = base64.attr("b64encode")(obj) | ||
| .attr("decode")("utf-8") | ||
| .cast<std::string>(); | ||
| return RapidjsonValue(str.data(), str.size(), allocator); | ||
| } | ||
| if (py::isinstance<py::str>(obj)) { | ||
| auto str = obj.cast<std::string>(); | ||
| return RapidjsonValue(str.data(), str.size(), allocator); | ||
| } | ||
| if (py::isinstance<py::tuple>(obj) || py::isinstance<py::list>(obj)) { | ||
| RapidjsonValue arr(rapidjson::kArrayType); | ||
| for (const py::handle &value : obj) { | ||
| arr.PushBack(to_rapidjson(value, allocator), allocator); | ||
| } | ||
| return arr; | ||
| } | ||
| if (py::isinstance<py::dict>(obj)) { | ||
| RapidjsonValue kv(rapidjson::kObjectType); | ||
| for (const py::handle &key : obj) { | ||
| auto k = py::str(key).cast<std::string>(); | ||
| kv.AddMember(RapidjsonValue(k.data(), k.size(), allocator), | ||
| to_rapidjson(obj[key], allocator), allocator); | ||
| } | ||
| return kv; | ||
| } | ||
| if (py::isinstance<RapidjsonValue>(obj)) { | ||
| auto ptr = py::cast<const RapidjsonValue *>(obj); | ||
| return deepcopy(*ptr, allocator); | ||
| } | ||
| throw std::runtime_error( | ||
| "to_rapidjson not implemented for this type of object: " + | ||
| py::repr(obj).cast<std::string>()); | ||
| } | ||
|
|
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| inline RapidjsonValue to_rapidjson(const py::handle &obj) | ||
| { | ||
| RapidjsonAllocator allocator; | ||
| return to_rapidjson(obj, allocator); | ||
| } | ||
|
|
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| inline py::object to_python(const RapidjsonValue &j) | ||
| { | ||
| if (j.IsNull()) { | ||
| return py::none(); | ||
| } else if (j.IsBool()) { | ||
| return py::bool_(j.GetBool()); | ||
| } else if (j.IsNumber()) { | ||
| if (j.IsUint64()) { | ||
| return py::int_(j.GetUint64()); | ||
| } else if (j.IsInt64()) { | ||
| return py::int_(j.GetInt64()); | ||
| } else { | ||
| return py::float_(j.GetDouble()); | ||
| } | ||
| } else if (j.IsString()) { | ||
| return py::str(std::string{j.GetString(), j.GetStringLength()}); | ||
| } else if (j.IsArray()) { | ||
| py::list ret; | ||
| for (const auto &e : j.GetArray()) { | ||
| ret.append(to_python(e)); | ||
| } | ||
| return ret; | ||
| } else { | ||
| py::dict ret; | ||
| for (auto &m : j.GetObject()) { | ||
| ret[py::str( | ||
| std::string{m.name.GetString(), m.name.GetStringLength()})] = | ||
| to_python(m.value); | ||
| } | ||
| return ret; | ||
| } | ||
| } | ||
| } // namespace nano_fmm | ||
|
|
||
| #ifndef BIND_PY_FLUENT_ATTRIBUTE | ||
| #define BIND_PY_FLUENT_ATTRIBUTE(Klass, type, var) \ | ||
| .def( \ | ||
| #var, [](Klass &self) -> type & { return self.var; }, \ | ||
| rvp::reference_internal) \ | ||
| .def( \ | ||
| #var, \ | ||
| [](Klass &self, const type &v) -> Klass & { \ | ||
| self.var = v; \ | ||
| return self; \ | ||
| }, \ | ||
| rvp::reference_internal) | ||
| #endif |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,31 @@ | ||
| #include <pybind11/eigen.h> | ||
| #include <pybind11/iostream.h> | ||
| #include <pybind11/pybind11.h> | ||
| #include <pybind11/stl.h> | ||
| #include <pybind11/stl_bind.h> | ||
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| #include "nano_fmm/randoms.hpp" | ||
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| namespace nano_fmm | ||
| { | ||
| namespace py = pybind11; | ||
| using namespace pybind11::literals; | ||
| using rvp = py::return_value_policy; | ||
|
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| void bind_randoms(py::module &m) | ||
| { | ||
| m // | ||
| .def("hsv2rgb", &hsv_to_rgb, "h"_a, "s"_a, "v"_a) | ||
| // | ||
| ; | ||
| py::class_<RandomColor>(m, "RandomColor", py::module_local()) // | ||
| .def(py::init<bool>(), py::kw_only(), "on_black"_a = true) | ||
| .def(py::init<int, bool>(), "seed"_a, py::kw_only(), | ||
| "on_black"_a = true) | ||
| // | ||
| .def("next_rgb", &RandomColor::next_rgb) | ||
| .def("next_hex", &RandomColor::next_hex) | ||
| // | ||
| ; | ||
| } | ||
| } // namespace nano_fmm |
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